Dothideomycetes » Dothideomycetes, genera incertae sedis

Uredinophila

Uredinophila Rossman, Mycol. Pap. 157: 43 (1987).

 Index Fungorum number: IF 25148; Facesoffungi number: FoF 00222, 1 morphological species (Species Fungorum 2022), no molecular data available.

Parasitic on Pucciniales on leaves of Dryopteris tetragona. Sexual morph: Ascomata superficial on substrate and surrounded by rust fungi, developing on a subiculum, globose to subglobose, solitary, scattered, translucent, yellow to orange, soft, apex with hyaline hairs. Peridium composed of hyaline or pale-yellow cells of textura angularis. Hamathecium comprising numerous, 1–2 μm wide, cylindrical, branched, hyaline pseudoparaphyses, extending above asci, embedded in a gelatinous matrix. Asci 8-spored, bitunicate, cylindrical-clavate, with short knob-like pedicel, apex rounded. Ascospores fasciculate, helically coiled, filiform or fusiform, narrowly elongate, tapering to a narrow-rounded base, trans-septate, hyaline. Asexual morph: Unknown (adapted from Boonmee et al. 2014).

 Type species: Uredinophila tropicalis (Speg.) Rossman

Notes: Uredinophila is characterised by globose to subglobose, solitary ascomata, bitunicate, cylindrical-clavate asci and fasciculate, helically coiled, filiform or fusiform ascospores. Rossman (1977) excluded Uredinophila from Ophionectria based on its bitunicate asci and spirally elongated ascospores. Rossman (1977) referred Uredinophila to Tubeufiaceae and provided a key, descriptions and illustrations to species. Boonmee et al. (2014) examined an authentic specimen of U. tropicalis (BPI 632877) and referred Uredinophila to Dothideomycetes genera incertae sedis since it is atypical of Tubeufiaceae. Molecular data is lacking. Lumbsch and Huhndorf (2010), Kirk et al. (2013), and Wijayawardene et al. (2017, 2020) also placed Uredinophila in Dothideomycetes genera incertae sedis. Fresh collections with DNA sequence data are needed to confirm the taxonomic placement of Uredinophila.

 

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